<!DOCTYPE html>
<html>
  <head>
    <meta content="text/html; charset=utf-8" http-equiv="Content-Type" />
    <meta content="width=device-width,initial-scale=1,user-scalable=no" name="viewport" />
    <meta name="apple-mobile-web-app-capable" content="yes" />
    <meta name="apple-touch-fullscreen" content="yes" />
    <meta name="format-detection" content="telephone=no,address=no" />
    <meta name="apple-mobile-web-app-status-bar-style" content="white" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
    <title></title>
    <script>
      !(function(x) {
        function w() {
          var v,
            u,
            t,
            tes,
            s = x.document,
            r = s.documentElement,
            a = r.getBoundingClientRect().width
          if (!v && !u) {
            var n = !!x.navigator.appVersion.match(/AppleWebKit.*Mobile.*/)
            v = x.devicePixelRatio
            tes = x.devicePixelRatio
            ;(v = n ? v : 1), (u = 1 / v)
          }
          if (a >= 640) {
            r.style.fontSize = '40px'
          } else {
            if (a <= 320) {
              r.style.fontSize = '20px'
            } else {
              r.style.fontSize = (a / 320) * 20 + 'px'
            }
          }
        }
        x.addEventListener('resize', function() {
          w()
        })
        w()
      })(window)
    </script>
  </head>
  <body>
    <div id="app"></div>
  </body>
</html>
